Exhibit 99.1 OneSpaWorld Reports Record Second Quarter Fiscal 2024 Results and Increases Fiscal Year Guidance Board Authorizes Annual Cash Dividend Total Revenues of 224.9Million,IncomefromOperationsof18.8 Million and Adjusted EBITDA of 27.1MillionIncreasesFiscal2024RevenuesGuidanceto870 - 890Millionfrom860 - 880MillionIncreasesFiscal2024AdjustedEBITDAGuidanceto102 - 108Millionfrom95 - $105 Million Nassau, Bahamas, July 31, 2024 - OneSpaWorld Holdings Limited (NASDAQ: ...